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5598CS - 7.75 Inch Spring Steel Extension Springs

The 5598CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 7.75 inches and an initial tension of 5 pounds. Made from spring steel, it has a maximum deflection of 5.4 inches and a maximum load of 26 pounds force. With an outside diameter of 0.64 inches and a wire diameter of 0.08 inches, this spring has a rate of 3.9 inch-pounds. It is a left-wind spring and weighs 0.2321 pounds.

Century Spring offers fast shipping and maintains a significant stock inventory. Our products, including the 5598CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 5 lb
Length 7.75 in
Material Spring Steel
Outside Diameter 0.64 in
Part Type Standard
Rate 3.9 lbs/in
SKU 5598CS
Sugg Max Deflection 5.4 in
Sugg Max Load 26 lbf
Wind Direction Left
Wire Diameter 0.08 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.27 kg
Length 196.85 mm
Material Spring Steel
Outside Diameter 16.26 mm
Part Type Standard
Rate 0.68 N/mm
SKU 5598CS
Sugg Max Deflection 137.16 mm
Sugg Max Load 115.65 N
Wind Direction Left
Wire Diameter 2.03 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $5.33
50 - 149 $5.07
150 - 299 $4.80
300 - 499 $4.54
500 - 749 $4.00
750 - 999 $3.47
1000+ Call for price